Filter media and filters and assemblies comprising the same
By using a nonwoven fiber support layer design with a polyethylene membrane layer and a polyethylene terephthalate core, the problems of flow uniformity, pressure resistance, flow resistance, burst strength and irradiation sterilization stability of traditional disc capsule filters are solved, resulting in better fluid filtration performance and extended shelf life.
CN122230531APending Publication Date: 2026-06-19SAINT GOBAIN PERFORMANCE PLASTICS CORP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SAINT GOBAIN PERFORMANCE PLASTICS CORP
- Filing Date
- 2024-12-17
- Publication Date
- 2026-06-19
AI Technical Summary
Technical Problem
Traditional disc capsule filters suffer from problems in fluid filtration, such as insufficient flow uniformity, insufficient pressure resistance, excessive flow resistance, insufficient burst strength, poor stability during irradiation sterilization, and short shelf life.
Method used
The filter media design incorporates a nonwoven fiber support layer consisting of a polyethylene membrane layer and a polyethylene terephthalate core. The filter is formed through non-adhesive or adhesive connections, optimizing fluid filtration efficiency and irradiation sterilization stability.
Benefits of technology
It improves the flow uniformity of fluid filtration, reduces flow resistance, enhances burst strength and irradiation sterilization stability, and extends shelf life.
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Smart Images
Figure CN122230531A_ABST
Abstract
This application relates to filter media and filters and assemblies comprising the same. The filter media includes: at least one membrane layer comprising polyethylene; and at least one support layer having a connection with the membrane layer, the support layer comprising a plurality of nonwoven fibers, wherein at least one fiber comprises: a core comprising polyethylene terephthalate, and a shell at least partially encapsulating the core, wherein the shell comprises polyethylene.
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